Are these strange animals the stuff of nightmares or aliens from outer space? Turns out, they're real undersea animals! Find out how deep-sea creatures use bizarre and fascinating adaptations to survive in their harsh environments in this Level 3 Reader.

Includes index.

Out of this world -- Enter the midnight zone -- Light in the darkness -- Open wide! -- Staying safe -- 6 cool facts about ocean exploration -- Hidden away -- Eyes of the deep -- Underwater party animals -- A lot more to explore! -- Quiz whiz.